Inventor

Tadao Hirasawatsu

Inventor

Saitama-shi, JP

Overview

3→

Patents

1981–2011

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary

B29CShaping or joining of plastics25%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts25%

B29LIndexing scheme associated with subclass b29c, relating to particular articles13%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials13%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

PatentTitleYear

7,981,351'Crystallization method of neck of primary molded product for biaxially-oriented blow-molded bottle-shaped container and jig to be used for the same'2011 7,077,641'Preform conveying device'2006 4,251,979'Device for conveying and aligning bottle-shaped containers'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2011Patents assigned to YOSHINO KOGYOSHO CO LTD (3)· patent assignee history

1981Based in Matsudo, JP· patent location history

2006Based in Tokyo, JP· patent location history

2011Based in Saitama-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YOSHINO KOGYOSHO CO LTD	3	1981–2011

Locations

Location	Patents	Span
Saitama-shi, JP	1	2011
Tokyo, JP	1	2006
Matsudo, JP	1	1981